Re: Q:Aggregrating Weekly Production Data. How do you do it?

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On 09/17/07 23:34, Ow Mun Heng wrote:
> Just wondering how everyone is doing aggregration of production data.
> 
> Data which runs in the vicinity of a few million a week.
> 
> What are the methods which will effectively provide the
> min/max/average/count/stdev of the weekly sample size based on different
> products/software mix etc.
> 
> and still be able to answer correctly, what's the average of data_1 over
> the pass 2 months? 

That's the purpose of data warehouses and ETL, isn't it?

- --
Ron Johnson, Jr.
Jefferson LA  USA

Give a man a fish, and he eats for a day.
Hit him with a fish, and he goes away for good!

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